The number is 30
100%=70 x%=21
Solve for the equation and it gets 30
Answer:
17/20
Step-by-step explanation:
Add 65/100 to 2/10
- 65/100 + 2/10 = 65/100 + 20/100 = 85/100 = 17/20
They collected 17/20 of cans of food altogether
Yes the additive inverse in postive,because the opposite of negative is postive and the opposite of subtraction is addition